Home / 13,622,889.74-20,411,209.89-8,220,187.34

Finding the Fourth Proportional to 13,622,889.74, 20,411,209.89 and 8,220,187.34

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Solution

The fourth proportional to 13,622,889.74, 20,411,209.89 and 8,220,187.34 is: 12,316,327.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,622,889.74 : 20,411,209.89 = 8,220,187.34 : x
  2. Step 2: Convert to fraction form
    13,622,889.74/20,411,209.89 = 8,220,187.34/x
  3. Step 3: Cross multiply
    13,622,889.74x = 20,411,209.89 × 8,220,187.34
  4. Step 4: Simplify right side
    13,622,889.74x = 167,783,969,131,860.78
  5. Step 5: Solve for x
    x = 167,783,969,131,860.78/13,622,889.74
  6. Step 6: Final answer
    x = 12,316,327.32

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.